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72986018552 = 2337246574387
BaseRepresentation
bin100001111111001001…
…1100100001011111000
320222101112001220021022
41003332103210023320
52143433410043202
653310155402012
75162442631046
oct1037623441370
9228345056238
1072986018552
1128a53782aa7
121218aa53308
136b61c75035
14376541d396
151d72841ea2
hex10fe4e42f8

72986018552 has 16 divisors (see below), whose sum is σ = 140547401160. Its totient is φ = 35506711584.

The previous prime is 72986018551. The next prime is 72986018563. The reversal of 72986018552 is 25581068927.

It is a junction number, because it is equal to n+sod(n) for n = 72986018494 and 72986018503.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72986018551) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 123286898 + ... + 123287489.

Almost surely, 272986018552 is an apocalyptic number.

It is an amenable number.

72986018552 is a deficient number, since it is larger than the sum of its proper divisors (67561382608).

72986018552 is a wasteful number, since it uses less digits than its factorization.

72986018552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 246574430 (or 246574426 counting only the distinct ones).

The product of its (nonzero) digits is 2419200, while the sum is 53.

The spelling of 72986018552 in words is "seventy-two billion, nine hundred eighty-six million, eighteen thousand, five hundred fifty-two".

Divisors: 1 2 4 8 37 74 148 296 246574387 493148774 986297548 1972595096 9123252319 18246504638 36493009276 72986018552